Now showing items 1-20 of 665

    • Thermal Enhancement Of Stacked Dies Using Thermal Vias 

      Sung, Baekyoung (Mechanical Engineering, 2007-08-23)
      Following Moore's law, the number of transistors on a die continues to rise and has recently exceeded a billion on high end processors. In light of the convergence of technology, power requirements is becoming a serious ...
    • Development Of Three Block Thermal Compact Model And Verification Of Modified Linear Superposition Technique For Stacked Die 

      Nikalaje, Suresh G (Mechanical Engineering, 2007-08-23)
      Over the last few years an impressive amount of progress has been achieved in the field of compact modeling of chip packages. But available compact modeling methods could not address the issue of limitation on the mesh ...
    • Investigation Of Pool Boiling Heat Transfer With Nanofluids 

      Moreno, Gilberto (Mechanical Engineering, 2007-08-23)
      This investigation conducts pool boiling experiments under saturated conditions (Tsat=60°C) using nanofluids as coolants. Four different nanofluids were tested including zinc oxide (ZnO)-water, aluminum oxide (Al2O3)-water, ...
    • Modular Multi-scale Assembly System For MEMS Packaging 

      Murthy, Rakesh (Mechanical Engineering, 2007-08-23)
      A multi-scale robotic assembly problem is approached here with focus on mechanical design for precision positioning at the microscale. The assembly system is characterized in terms of accuracy/repeatability and calibration ...
    • Effect Of CRAC Location On A Fixed Rack Layout Of A Data Center 

      Bedekar, Vishwas (Mechanical Engineering, 2007-08-23)
      Microprocessor driven escalation of thermal management needs has resulted in significant cooling challenges at the data center facility level, which can house thousands and tens of thousands of heat producing processors. ...
    • Design And Optimization Of Heat Spreaders And Selection Of Fan In Laptop 

      Manne Sambaiah, Kranthi Kumar (Mechanical Engineering, 2007-08-23)
      Technical advancements lead to the need for faster processors and reduced sizes in electronic systems. The urge for faster and compact systems leads to two major problems. Firstly over heating of chips which degrade the ...
    • Design And Implementation Of A Feedback Linearizing Controller And Kalman Filter For A Magnetic Levitation System 

      Henley, John Andrew (Mechanical Engineering, 2007-08-23)
      The principal investigation undertaken in this research is the development and subsequent implementation of a feedback linearizing nonlinear controller and extended Kalman filter for a laboratory-based Magnetic Levitation ...
    • Freezing-induced Microstructural Changes Of Collagen Scaffolds 

      Miller, Jeffrey David (Mechanical Engineering, 2007-08-23)
      Understanding the effects of freezing on the functional properties of tissues is critical to cryopreservation of native and artificial tissues, and prognosis after cryotherapies. Although investigations have been performed ...
    • Computer-aided Patient Specific Treatment Planning Of Cryosurgery For Breast Cancer 

      Jung, Junkyu (Mechanical Engineering, 2007-08-23)
      Cryosurgery, which is to destroy tumors by use of localized freezing, is an emerging treatment modality for breast cancer as the size of detectable tumor becomes smaller due to more frequent use of various diagnostic imaging ...
    • Analysis And Design Of A Piezoelectric Micro-actuator 

      Chen, Po-Shiun (Mechanical Engineering, 2007-08-23)
      Micro-grippers are usually fabricated of silicon using traditional semiconductor manufacturing processes and actuated based on thermal energy input causing their temperature to substantially increase and render unsuitable ...
    • Finite Element Modeling Of Carbon Nanotube Reinforced Polymer Composites And Evaluating Its Thermal Conductivities 

      Basavanahalli, Raghuram (Mechanical Engineering, 2007-08-23)
      High thermal conductivity of carbon nanotubes has motivated us to study and understand the thermal mechanisms in nanocomposites. Though several theoretical models predict a high thermal conductivity for CNT reinforced ...
    • An Evaluation Of Using Component Mode Synthesis For Structural Models 

      Scott, Richard Lynn (Mechanical Engineering, 2007-08-23)
      Structural analysts have used component mode synthesis (CMS), also known as substructuring, for decades to divide large structural models into smaller, more manageable models, and to reduce the size of the associated ...
    • Polymer Tube Embedded In-plane Micropump: Design, Analysis And Fabrication 

      Kole, Ashutosh (Mechanical Engineering, 2007-08-23)
      This thesis presents the design, analysis, and fabrication of a novel polymer tube embedded in-plane micropump. The key component of the proposed micropump is a Parylene polymer tube that is embedded into the trench of a ...
    • Airy Stress Function For Two Dimensional Inclusion Problems 

      Kavati, Dharshini Rao (Mechanical Engineering, 2007-08-23)
      This thesis addresses a problem of finding the elastic fields in a two-dimensional body containing an inhomogeneous inclusion using the Airy stress function which is determined so that the prescribed boundary condition at ...
    • Air Jet Impingement For Levitation 

      Huber, James Frederick (Mechanical Engineering, 2007-08-23)
      Traditional part acquisition methods such as vacuum cups and robotic grippers do not meet the handling needs of truly fragile materials, because both of these methods require surface contact. An alternative to these ...
    • Design Optimization And Synthesis Of Manipulators Based On Various Manipulation Indices 

      Bagchi, Sandipak (Mechanical Engineering, 2007-08-23)
      Design optimization of serial manipulators involves striking a balance between an appropriate joint angle and exact link lengths. The optimization technique used in this thesis uses a unique algorithm that optimizes the ...
    • Structural Analysis Of Fiber Reinforced Composite Materials 

      Rojas, Cesar Augusto (Mechanical Engineering, 2007-08-23)
      A study of fiber reinforced composite structures is conducted .This study includes laminate analysis, analysis of laminated composite beams and parametric study of composite beams. Finite element analysis for each beam ...
    • Reliability Of Lead-free Solder Under Cyclic Bending 

      Zahedi, Fahad (Mechanical Engineering, 2007-08-23)
      To characterize particular compositions of lead free solder, four point cyclic bending test was conducted to study the affects of accelerated stress testing on the package to board interconnects. Nine CTBGA packages with ...
    • Analysis Of Tapered Laminated Composite Tubes Under Tension And Torsion 

      Shankara Rao, Chethana (Mechanical Engineering, 2007-08-23)
      Closed form expressions for determining the displacement and twisting angle of tapered composite tubes are developed. The analytical expressions are developed based on the modified laminated plate theory which includes the ...
    • Structural Optimization Using Femlab And Smooth Support Vector Regression 

      Odapally, Divija (Mechanical Engineering, 2007-08-23)
      In recent years support vector machine (SVM) has been emerging as a popular tool for function approximation. Application of SVM for approximation of mathematical functions and complex engineering analysis has been represented ...